Ключевые слова: abstract, algae, background, bacteria, beautiful, beauty, biofilm, biology, bloom, blue, bluegreen, color, covered, cyanobacteria, dirty, ecology, environment, environmental, floating, flora, flowering, grass, green, growth, harmful, lake, landscape, liquid, natural, nature, nobody, organic, outdoor, pattern, plant, polluted, pollution, pond, problem, river, scum, sea, sky, summer, surface, swamp, texture, vegetation, view, water,